package com.blog.service;

import com.blog.entity.User;

/**
 * Created with IntelliJ IDEA.
 * Author:  Wu Yujie
 * Email:  coffee377@dingtalk.com
 * Time:  2017/02/27 11:42
 */
public interface IUserService {

    boolean existUser(String userName);

    User loginIn(String userName,String password);
}
